There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

Can you count the number of lines in the below picture?

What is the below Rebus indicate?

I am white when I am dirty, and black when I am clean. What am I?

What's a single-digit number with no value?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?